The Graph of a Certain Function $y = f ( x )$

question 138

Multiple Choice

The graph of a certain function $y = f ( x )$ and the zero of that function is given. Using this graph, find a) the $x$ -intercept of the graph of $y = f ( x )$ and b) the solution to the equation $f ( x ) = 0$ .
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• A) a. 0 b. \(x = 12\)
• B) a. 12 b. \(x = 0\)
• C) a. 12 b. \(x = 12\)
• D) a. 0 b. \(x = 0\)

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Definitions:

Interquartile Range

The difference between the 75th (third quartile) and 25th (first quartile) percentiles, measuring the spread of the middle 50% of data.

Coefficient of Variation

A standardized measure of dispersion of a probability distribution or frequency distribution, expressed as a ratio of the standard deviation to the mean.

Extreme Values

Data points that significantly differ from other observations. They can be unusually high or low and may be considered outliers.

Median

The middle value in a sorted, ascending or descending, list of numbers.